#!/usr/bin/python3

num = input("please input 3 numbers:")
cal = num.split( )
#def num_add():
summ = int(cal[0]) + int(cal[1]) + int(cal[2])
print ("{0} + {1} + {2} = {3}".format(cal[0],cal[1],cal[2],summ))
#num_add()
